SPECIFICATIONSBrand Name: NONEHigh-concerned chemical: noneOrigin: Mainland China Type: Fitness BallMaterial: PVC,PlasticColor: Purple, Pink,blueDiameter:18.5*18.5 CM(7.28*7.28 in)Packing list: 1 pc Yoga Ball Description1.Long-term Use: This small exercise ball is engineered with multi-layer materials to prevent ruptures, offering users reliable support and balanced pressure distribution while performing high-intensity exercises in any workout environment2.Travel-Friendly Design: The Pilates Ball combines compactness and portability to serve as an ideal on-the-go fitness companion, fitting easily into your routine while offering versatile use across different workout settings for optimal convenienceNotice:1.Due to manual measurement, please allow 1-3 cm(0.39-1.18 in) distance.2.Due to different displays and different lighting, the pictures may not reflect the actual color of the item, thank you for your understanding.3.Do not use on smooth floors or tiles when used as a fitness ball chair or office chair; consult a doctor if used as a birthing or pregnancy during labor.